Yeah i just installed my new JVC deck and hooked up my subs. Well now my subs are taking all the power away and making my lights go dimm and make my car almost stall at stop lights. What can i do to fix this?

tony

you need to upgrade the alt and or the battery...the Big 3.....although you have the battery under the back seat might not exactly apply...but you ahould upgrade the cableing anyway to a larger gauge


many will tell you need a Cap......and be warned that its only a bandaid, and will possibly cause problems with your electrical system in the future

well i know my ground wire is way to small right now, will a replacement to a bigger gauge help it out alittle?

tony

most definately should.

the big 3 upgrade should be your first order of business and done as soon as possible. along with the largest sized power and ground your amp will accept.

what are you running for amps and subs that are creating such a drain on your charging system?

I have close to 2000 watts in my stereo system and have the same problem. I am installing a second battery next week. I chose to go with a kinetik 1400 because alot of guys that compete in db drag use them as well. Make sure that you get a battery with as many cranking amps as you have watts for your system. mine does 1500 ca and my system is roughly 1700 watts. send me a pm if you need help finding a good battery cheap.

i am a bit curious, becuse i have about 1500 watts myself, and have only minimal headlight dimming, nothing to be greatly concerned with. maybe the 1500-200w step up is just too much for these cars?

capasitors!!!!!!!!!!!!!!!!!!!!!!!!!! or a bigger battery or just do both..... but a power cap will prob yeild the best increase

Im going to put in a bigger ground wire and see what happens. thanks

tony

I didn’t see if you said what size you are using, but it sounds like you should have at least 4ga for the amp’* power and ground wires. Make sure you use that size or bigger for the battery ground wire. You may want to consider putting in a larger wire from the alternator to battery as well.